140mm Kingspan Kooltherm K103 Floorboard (pack of 2)
140mm Kingspan Kooltherm K103 Floorboard (pack of 2)
- Product Code: A1-7385
- Delivery Time: TBC
- Brand: Kingspan (Tech. support: 01544388601)
- Model: 2400x1200mm - 5.76m2
- Weight: 32.26kg
Our ratings on 02-10-2026:

4.8 out of 5
140mm Kingspan Kooltherm K103 Floorboard (pack of 2)
Length: 2400mm
Width: 1200mm
Thickness: 140mm
Pack Quantity: 2
Board Coverage: 2.88m2
Pack Coverage: 5.76m2
Density: 40kg/m3
Weight/m2: 5.6kg
Weight: 32.26kg
Thermal Conductivity: 0.019W/mK
R-Value: 7.35m2K/W
Compressive Strength: 120kPa
Fire Rating (Reaction to Fire): C(Class 1)
Fire rating: Class 0
Water vapour resistivity: 300MN.s/g.m
140mm Kingspan Kooltherm K103 Floorboard is a premium performance lower lambda insulation with a fibre-free rigid thermoset phenolic core. The board faced on both sides with a glass tissue based facing, autohesively bonded to the insulation core during manufacture. It used for insulating beam and block, concrete, and timber floors. If correctly installed, Kingspan Kooltherm K103 Floorboard can have an indefinite life. Its durability depends on the supporting structure and the conditions of its use.
APPLICATION
- Beam and Dense Block Ground Floors
- Suspended Timber Ground Floor
- Solid Concrete Ground Based Floor

- Premium performance rigid thermoset insulation
- Unaffected by air infiltration
- Resistant to the passage of water vapour
- Fire Rating (Reaction to Fire) - Euroclass: C-s2,d0
- Easy to handle and install can reduce the cost of related items - soil removal, service connections
- Ideal for new build and refurbishment
- Resistant to short term contact with petrol and with most dilute acids, alkali and mineral oils
- Resist attack by mould and microbial growth, and do not provide any food value to vermin

Kingspan Kooltherm K103 is manufactured under a
- management system certified to ISO 9001: 2015 (Quality management systems),
- ISO 14001: 2015 (Environmental management systems),
- ISO 37301: 2021 (Compliance management systems),
- ISO 45001: 2018 (Occupational health and safety management systems)
- ISO 50001: 2018 (Energy management systems).
BBA Certificate 16/5299
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